Rework logging and output

Use the logs for all the commands output. Tail the log
if there is an error. Create a link to the latest log
so that buildbot can find it easily.

1 files changed, 17 insertions, 1 deletions

diff --git a/devbot/config.py b/devbot/config.py
index 4eccc92..9637b4e 100644
--- a/devbot/config.py
+++ b/devbot/config.py
@@ -8,6 +8,7 @@ from devbot import distro
 from devbot import plugins
 from devbot import git
 from devbot import utils
+from devbot import command
 
 config_dir = None
 logs_dir = None
@@ -92,6 +93,12 @@ def setup(**kwargs):
     _setup_state_dir(kwargs["state_dir"])
     _setup_install_dir(kwargs["install_dir"], relocatable)
 
+    if "log_name" in kwargs:
+        command.set_log_path(create_log(kwargs["log_name"]))
+
+    if "logger" in kwargs:
+        command.set_logger(kwargs["logger"])
+
 
 def get_source_dir():
     global _source_dir
@@ -105,7 +112,7 @@ def get_build_dir():
     return _build_dir
 
 
-def get_log_path(prefix):
+def create_log(prefix):
     logfile_path = None
     number = 0
 
@@ -118,6 +125,15 @@ def get_log_path(prefix):
 
         number = number + 1
 
+    link_path = os.path.join(logs_dir, "%s.log" % prefix)
+
+    try:
+        os.unlink(link_path)
+    except OSError:
+        pass
+
+    os.symlink(logfile_path, link_path)
+
     return logfile_path